O admirabile commercium

Source: 
Zutphen, Stadsarchief en Stedelijke Bibliotheek, 6
Folio: 
174r
Sequence: 
9
Feast: 
Suff. Mariae
Office/Mass: 
L
Genre: 
A
Position: 
p
Cantus ID: 
003985
Mode: 
6T
Differentia: 
F1
Differentia database: 
1--m-m-k-lm-l-k--4 T7aA